// Copyright (c) 2008 Michael Buckley

// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:

// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.

#import "BTLLineEndingHandler.h"

@implementation BTLLineEndingHandler

- (void)readData:(BTLSocketBuffer*)someData fromAddress:(BTLSocketAddress*)anAddress
{
	BTLSocketBuffer* combinedData;
	if(leftOver != nil){
		combinedData = leftOver;
		[combinedData addData:[someData rawData] ofSize:[someData size]];
	}else{
		combinedData = someData;
	}
	
	char* current;
	while((current = [combinedData getStringTerminatedByLinebreak]) != NULL){
		BTLSocketBuffer* tempData = [BTLSocketBuffer new];
		[tempData addData:current ofSize:strlen(current)];
		[self finishedReadingData:tempData fromAddress:anAddress];
	}
	
	if([combinedData remainingSize] > 0){
		if(leftOver == nil){
			leftOver = [BTLSocketBuffer new];
		}
	}
}

- (void)writeData:(BTLSocketBuffer*)someData toAddress:(BTLSocketAddress*)anAddress
{
	BTLSocketBuffer* newData = [BTLSocketBuffer new];
	[newData addData:[someData rawData] ofSize:[someData size]];
	[newData addData:"\r\n" ofSize:2];
	[self finishedWritingData:newData toAddress:anAddress];
}

@end
